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Determine the pH of the solution made by adding .50 mol of HOBr and .30 Mol of KOBr to 1. L of water and when the value of Ka for HOBr is 2.0 x 10-9.
When the experimental procedure has you wash your thermometer and dry it before you calculate the temperature of the HCL solution and after you calculate the temperature of NaOH solution. Why?
When the ball is in contact with the floor for 0.0325 s, determine the magnitude of the average force on the floor from the ball?
It can be reduced from physical principles that path of ball is modeled by function. Determine maximum height attained by ball. Determine horizontal distance ball has traveled when it hits ground.
The electron and neutrino are emitted at the right angles and encompass momentum of 9.40 x 10-23 kg•m/s, and 5.50 x 10-23 kg•m/s, correspondingly. Find out the magnitude and direction of the
If a golf club hits a golf ball, the club is in contact with the ball for around 0.0017 s. The ball of 45 g attains a speed of 66 m/s. (i) Determine the magnitude of the impulse exerted to the ball?
A circular loop in the plane of screen lies in the 0.64 T magnetic field pointing into the screen. When the diameter of loops changes from 20.0 cm to 6.0 cm in 0.50 s, find out the given. (i) Deter
Assume that perimeter of the particular Norman window is to be 24 feet. What must its dimensions be to maximize area of window and, hence, allow in as much light as possible?
Explain what kind of solvent is most useful for promoting a neutral nucleophile and why? In Sn2 reactions you have the option of using a great number of nucleophiles.
When the slits encompass a separation d = 0.0310 mm, determine the minimum distance from the slits to the screen if 610 nm light is employed?
The resolution of the eye is eventually limited by the pupil diameter. Determine the smallest diameter spot the eye can generate on the retina when the pupil diameter is 2.78 mm?
From the window in the building, person determines that angle of elevation to top of monument is 15° and that angle of depression to bottom of tower is 2°. How far is person from monument?
When its initial angular speed was 3900 rpm, determine the magnitude of its angular deceleration? Determine how many revolutions did the centrifuge complete after being turned off?
When 4.00 grams of ascertain vinegar sample was titrated with .200 M NaOH, 25.56 mL of the NaOH solution were required to reach equivalence point.
(ii) Find out the maximum height reached by the bullet/block combination. (iii) Is kinetic energy conserved in this collision? Explain why or why
Each and every wire carries 7.50 A, and the currents are out of the page in wires 1 and 4 and to the page in wires 2 and 3. In unit-vector notation, find out the total magnetic force per meter of wi
The ship leaves port with the bearing of N 64oW. After traveling 13 miles, ship then turns 90o and travels on the bearing os S 26oW for 6 miles. At what that time, find bearing of ship from port?
Supposing the mass of pilot is 75 kg and his terminal (maximum) velocity while falling is 50 m/s, estimate the given. (i) The work done through the snow in bringing him to the rest.
To reduce the magnification to 0.22, the object must be moved closer to the lens or farther away?
Identify the metal and calculate the pH of the solution. Suppose 10.00 g of an alkaline earth metal reacts with 10.0 L of water to form 6.10 L of hydrogen gas at 1.00 atm and 25°C.
Determine the triple point temperature and pressure when the vapor pressure of an unknown solid is approximately given by in(P/Torr) = 20.654 - 1877 (K/T), and the vapor pressure of the liquid phas
Wire 2, which are parallel to wire 1 and as well long, is at horizontal distance (5.14 cm, 0) from wire 1 and carries a current of 7.10 mA into the page. Determine the x component of the magnetic fo
A car having a net mass of 1.59 x 103 kg consists of wheels of radius 29.5 cm and moment of inertia 0.780 kg • m2. (i) Determine the translational kinetic energy of car if the car is moving at a
Discuss what will be the pressure inside the heated can, assuming the container remains intact during the incineration? A sealed can with an internal pressure of 721 Torr at 25 degree C is thrown i
The top of the ramp is 1.65 m higher than the surface of the water and the ramp is inclined at an angle of 30.0° above the horizontal. The seal reaches the water having a speed of 4.90 m/s. (i)